Resistance integrons: class 1, 2 and 3 integrons

As recently indiscriminate abuse of existing antibiotics in both clinical and veterinary treatment leads to proliferation of antibiotic resistance in microbes and poses a dilemma for the future treatment of such bacterial infection, antimicrobial resistance has been considered to be one of the currently leading concerns in global public health, and reported to widely spread and extended to a large variety of microorganisms. In China, as one of the currently worst areas for antibiotics abuse, the annual prescription of antibiotics, including both clinical and veterinary treatment, has approaching 140 gram per person and been roughly estimated to be 10 times higher than that in the United Kingdom, which is considered to be a potential area for the emergence of “Super Bugs”. Based on the integrons surveillance in Guangzhou, China in the past decade, this review thus aimed at summarizing the role of integrons in the perspective of both clinical setting and environment, with the focus on the occurrence and prevalence of class 1, 2 and 3 integrons.
Source: Annals of Clinical Microbiology and Antimicrobials - Category: Microbiology Authors: Source Type: research

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Publication date: Available online 11 October 2019Source: Social Science &MedicineAuthor(s): Snorre Sylvester Frid-Nielsen, Olivier Rubin, Erik BaekkeskovAbstractThis paper investigates the genealogy of social science research into antimicrobial resistance (AMR) by piecing together the bibliometric characteristics of this branch of research. Drawing on the Web of Science as the primary database, the analysis shows that while academic interest in AMR has increased substantially over the last few years, social science research continues to constitute a negligible share of total academic contributions. More in-depth netwo...
Source: Social Science and Medicine - Category: Psychiatry & Psychology Source Type: research
Purpose of review Helicobacter pylori eradication has become more challenging over the past decade due to increasing antimicrobial resistance, especially to clarithromycin and levofloxacin. We identified 508 recent publications on H. pylori treatment (published between January 2018 and June 2019), focusing on the most highly clinically relevant for this review. Recent findings Declining H. pylori eradication rates with clarithromycin triple therapy have led to most guidelines recommending 14 days bismuth-based quadruple therapy or concomitant therapy as the best initial empiric regimen. Substituting amoxicillin for te...
Source: Current Opinion in Gastroenterology - Category: Gastroenterology Tags: STOMACH AND DUODENUM: Edited by Mitchell L. Schubert Source Type: research
Publication date: Available online 10 October 2019Source: Comparative Immunology, Microbiology and Infectious DiseasesAuthor(s): Bárbara Martín-Maldonado, Laura Montoro-Dasi, Maria Teresa Pérez-Gracia, Jaume Jordá, Santiago Vega, Francisco Marco-Jiménez, Clara MarinAbstractWild birds have repeatedly been found to be involved in the dissemination of enteric bacterial pathogens in the environment. The aim of this study was to determine the occurrence of Salmonella and Campylobacter as well as the antimicrobial resistance in wild Bonelli’s eagles nestlings in Eastern Spain. In addition...
Source: Comparative Immunology, Microbiology and Infectious Diseases - Category: Infectious Diseases Source Type: research
Publication date: Available online 10 October 2019Source: Comparative Immunology, Microbiology and Infectious DiseasesAuthor(s): Rasha M.A. Gharieb, Elshaima M. Fawzi, Ibrahim ElsohabyAbstractAntimicrobial resistance profile of E. coli and Salmonella serovars isolated from diarrheic calves and handlers in Egypt is unknown due to the absence of monitoring. Therefore, this study aimed to determine the virulence, genetic and antimicrobial resistance profiles of E. coli and Salmonella serovars associated with diarrhea in calves and handlers in intensive dairy farms in Egypt. A total of 36 bacterial strains (20 E. coli and 16 S...
Source: Comparative Immunology, Microbiology and Infectious Diseases - Category: Infectious Diseases Source Type: research
The highly infectious bacteria can survive treatment at local sewage plants and enter the food chain of surrounding populations, the study revealed Researchers at the University of Edinburgh (UE) in Scotland found large amounts of antimicrobial-resistance (AMR) genes in hospital wastewater. These findings will be of interest to microbiologists and clinical laboratory managers, as the […]
Source: Dark Daily - Category: Laboratory Medicine Authors: Tags: Compliance, Legal, and Malpractice Laboratory Instruments & Laboratory Equipment Laboratory Management and Operations Laboratory News Laboratory Operations Laboratory Pathology Acinetobacter Acinetobacter johnsonii AMR Challenge anatomic Source Type: news
A Chemical Biology Approach to Understanding Molecular Recognition of Lipid II by Nisin(1-12): Synthesis and NMR Ensemble Analysis of Nisin(1-12) and Analogues. Chemistry. 2019 Oct 10;: Authors: Dickman R, Danelius E, Mitchell SA, Hansen DF, Erdélyi M, Tabor AB Abstract Natural products that target lipid II, such as the lantibiotic nisin, are strategically important in the development of new antibacterial agents to combat the rise of antimicrobial resistance. Understanding the structural factors that govern the highly selective molecular recognition of lipid II by the N-terminal region of nis...
Source: Chemistry - Category: Chemistry Authors: Tags: Chemistry Source Type: research
In this study, there was a high prevalence of the EMRSA-15 clone presenting multiple resistances in diabetic foot ulcers making these infections complicated to treat leading to a higher morbidity and mortality in diabetic patients.
Source: European Journal of Clinical Microbiology and Infectious Diseases - Category: Microbiology Source Type: research
Colistin is a last resort antibiotic used for the treatment of human infections associated with carbapenemase-producing Enterobacteriales. Here, we evaluated the occurrence of mcr-1 and -2 plasmid-mediated colistin resistance in colistin and/or carbapenem resistant human clinical Enterobacteriales and other gram-negative bacteria (n = 543) as well as third generation cephalosporin-resistant (3GCR) Escherichia coli isolates from poultry abattoir workers (n = 15) and poultry fecal samples (n = 92) collected from two geographically separate abattoirs in Romania. which revealed that mcr-1 was present within four sequence types...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
ConclusionThe current research represents first in vivo evidences for effective phage therapy against K. pneumoniae infection by using intranasal route.
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research
ConclusionXF-73 was found to be safe and was tolerated with minimal side effects at doses of 0.5 mg/g 2% gel and 2 mg/g 2% gel in healthy volunteers. These findings support moving on to Phase 2 trials to further evaluate the efficacy of XF-73.
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research
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